Upon reaching his term-limit as representative, he ran in the 2022 Oriental Mindoro gubernatorial race, losing to incumbent governor Humerlito Dolor.

[8] Luis Raymund Villafuerte, the representative for Camarines Sur's 2nd congressional District, cited conflict of interest as a reason for his ouster, as Leachon did not disclose his pending case before the tribunal.

[8] On October 14, 2020, Leachon was named Deputy Speaker of the House of Representatives, along with Michael Romero.

It is headed by Doy Leachon, former member of the Philippine House of Representatives from Oriental Mindoro's 1st District.

[1] His elder brother, Antonio "Tony" Leachon, is a doctor and 50th President of the Philippine College of Physicians.